Kenji, a railway enthusiast known as a train buff, is asked by a friend to challenge an elderly man in a train game. Through meeting the man, who once drove locomotives, Kenji comes to understand another person and confront his own feelings in this children's story.

A railway-loving boy named Kenji faces a former locomotive driver in a train game.

ナナとおはなしのたね is a work by 小山内こころ. It is associated with the 小川未明文学賞.

ナナとおはなしのたね by 小山内こころ.

Kaeru no Namida is a work of children's literature by Satoru Yoshiki. It received an Excellence Award in the 11th Ogawa Mimei Literary Award.

An Excellence Award-winning work by Satoru Yoshiki in the Ogawa Mimei Literary Award.